{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1844160",
    "entityType": "User",
    "nonce": "0xee0227750f7eb56016ce05a4b0428de00dc182b970715d08b8a0fc6166e19ad8",
    "signature": "0xe8fddae4ca84cb34e703b32f8d1b8167318ac5100704bd7ce57c4a28f3c56d040943f57e73890b0e13ee70c478bb83e886767fa94fb5f76cbeba98099c70b2b61b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}